Exhibit 21.2

Exelon Generation Company, LLC Subsidiary Listing



|                                                        |  |                          
|------------------------------------------------------- |  | -------------------------
|Affiliate                                               |  | Jurisdiction of Formation
|AllEnergy Gas & Electric Marketing Company, LLC         |  | Delaware                 
|AmerGen Clinton NQF, LLC                                |  | Nevada                   
|AmerGen Consolidation, LLC                              |  | Nevada                   
|AmerGen Energy Company, LLC                             |  | Delaware                 
|AmerGen Oyster Creek NQF, LLC                           |  | Nevada                   
|AmerGen TMI NQF, LLC                                    |  | Nevada                   
|Braidwood 1 NQF, LLC                                    |  | Nevada                   
|Braidwood 2 NQF, LLC                                    |  | Nevada                   
|Byron 1 NQF, LLC                                        |  | Nevada                   
|Byron 2 NQF, LLC                                        |  | Nevada                   
|Conemaugh Fuels, LLC                                    |  | Delaware                 
|Dresden 1 NQF, LLC                                      |  | Nevada                   
|Dresden 2 NQF, LLC                                      |  | Nevada                   
|Dresden 3 NQF, LLC                                      |  | Nevada                   
|ENEH Services, LLC                                      |  | Delaware                 
|Exelon AOG Holding # 1, Inc.                            |  | Delaware                 
|Exelon AOG Holding # 2, Inc.                            |  | Delaware                 
|Exelon Edgar, LLC                                       |  | Delaware                 
|Exelon Energy Company                                   |  | Delaware                 
|Exelon Framingham Development, LLC                      |  | Delaware                 
|Exelon Framingham, LLC                                  |  | Delaware                 
|Exelon Generation Consolidation, LLC                    |  | Nevada                   
|Exelon Generation Finance Company, LLC                  |  | Delaware                 
|Exelon Generation International, Inc.                   |  | Pennsylvania             
|Exelon Hamilton, LLC                                    |  | Delaware                 
|Exelon International Commodities, LLC                   |  | Delaware                 
|Exelon New Boston, LLC                                  |  | Delaware                 
|Exelon New England Development, LLC                     |  | Delaware                 
|Exelon New England Holdings, LLC                        |  | Delaware                 
|Exelon New England Power Marketing, Limited Partnership |  | Delaware                 
|Exelon Nuclear Security, LLC                            |  | Delaware                 
|Exelon Nuclear Texas Holdings, LLC                      |  | Delaware                 
|Exelon Peaker Development General, LLC                  |  | Delaware                 
|Exelon Peaker Development Limited, LLC                  |  | Delaware                 



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|                                         |  |             
|---------------------------------------- |  | ------------
|Exelon PowerLabs, LLC                    |  | Pennsylvania
|Exelon SHC, LLC                          |  | Delaware    
|Exelon West Medway Development, LLC      |  | Delaware    
|Exelon West Medway Expansion, LLC        |  | Delaware    
|Exelon West Medway, LLC                  |  | Delaware    
|Exelon Wyman, LLC                        |  | Delaware    
|ExTex LaPorte Limited Partnership        |  | Texas       
|ExTex Retail Services Company, LLC       |  | Delaware    
|Keystone Fuels, LLC                      |  | Delaware    
|LaSalle 1 NQF, LLC                       |  | Nevada      
|LaSalle 2 NQF, LLC                       |  | Nevada      
|Limerick 1 NQF, LLC                      |  | Nevada      
|Limerick 2 NQF, LLC                      |  | Nevada      
|NuStart Energy Development, LLC          |  | Delaware    
|PeachBottom 1 NQF, LLC                   |  | Nevada      
|PeachBottom 2 NQF, LLC                   |  | Nevada      
|PeachBottom 3 NQF, LLC                   |  | Nevada      
|PECO Energy Power Company                |  | Pennsylvania
|Quad Cities 1 NQF, LLC                   |  | Nevada      
|Quad Cities 2 NQF, LLC                   |  | Nevada      
|Salem 1 NQF, LLC                         |  | Nevada      
|Salem 2 NQF, LLC                         |  | Nevada      
|Southeast Chicago Energy Project, LLC    |  | Delaware    
|Susquehanna Electric Company             |  | Maryland    
|Susquehanna Power Company                |  | Maryland    
|Tamuin International, Inc.               |  | Delaware    
|TEG Holdings, LLC                        |  | Delaware    
|Texas Ohio Gas, Inc.                     |  | Texas       
|The Proprietors of the Susquehanna Canal |  | Maryland    
|Zion 1 NQF, LLC                          |  | Nevada      
|Zion 2 NQF, LLC                          |  | Nevada